Find the equation of of the plane that contains all three points'

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Multiplying an even number of negative numbers gives an answer that is choose from:

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63